| 单词 | cathode ray tube(CRT) |
| 释义 | cathode ray tube(CRT)In display technique, a device that converts electrical signals to a visual display. It comprises an evacuated glass envelope shaped as a television tube, an electron gun, focusingdeflection systems, and a screen coated with phosphors.; 在显示技术中,一种把电信号转换成可见图象的器件。它包括一个形状象电视显象管的真空玻璃壳、一个电子枪、聚焦偏转系统和一个涂有荧光粉的显示 屏。 |
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